You're assuming that understanding it was his priority in the first place. It wasn't.
Imagine a painter saying "these software engineers are profoundly stupid, I spent a whole day explaining to one how different color combinations are differently interpreted by different cultures and he still wouldn't get it".
Imagine a painter saying "these software engineers are profoundly stupid, I spent a whole day explaining to one how different color combinations are differently interpreted by different cultures and he still wouldn't get it".